Headset



FIG. 1 is a front and right perspective view of a headset showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front and right perspective view of the headset in an alternate extended position; and,

FIG. 9 is a front and bottom perspective view of the headset in an alternate retracted position.

The broken lines depict environment that forms no part of the claimed design. 

CLAIM The ornamental design for a “headset”, as shown and described. 